1950891 has 8 divisors (see below), whose sum is σ = 2615184. Its totient is φ = 1293600.

The previous prime is 1950889. The next prime is 1950913. The reversal of 1950891 is 1980591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1950891 - 2¹ = 1950889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1950881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060 + ... + 2241.

It is an arithmetic number, because the mean of its divisors is an integer number (326898).

2^1950891 is an apocalyptic number.

1950891 is a deficient number, since it is larger than the sum of its proper divisors (664293).

1950891 is a wasteful number, since it uses less digits than its factorization.

1950891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 1950891 is about 1396.7429971187. The cubic root of 1950891 is about 124.9523231510.

The spelling of 1950891 in words is "one million, nine hundred fifty thousand, eight hundred ninety-one".